Merge pull request #790 from influxdata/db/update-influxdb-1.12

influxdb/1.12/meta/alpine/influxdb-meta.conf

+[meta]
+  dir = "/var/lib/influxdb/meta"

influxdb/1.12/meta/entrypoint.sh

+#!/bin/bash
+set -e
+
+export INFLUXDB_HOSTNAME=${INFLUXDB_HOSTNAME:-$HOSTNAME}
+export INFLUXDB_META_CONFIG_PATH=${INFLUXDB_META_CONFIG_PATH:-/etc/influxdb/influxdb-meta.conf}
+
+if [ "${1:0:1}" = '-' ]; then
+    set -- influxd-meta "$@"
+fi
+
+if [ "$1" = 'influxd-meta' ]; then
+    shift
+    if [ $# -gt 0 ]; then
+        case $1 in
+          config)
+            shift
+            set -- influxd-meta config -config "${INFLUXDB_META_CONFIG_PATH}" "$@"
+            ;;
+          run)
+            shift
+            set -- influxd-meta run -config "${INFLUXDB_META_CONFIG_PATH}" "$@"
+            ;;
+          -*)
+            set -- influxd-meta -config "${INFLUXDB_META_CONFIG_PATH}" "$@"
+            ;;
+          *)
+            set -- influxd-meta "$@"
+            ;;
+        esac
+    else
+        set -- influxd-meta -config "${INFLUXDB_META_CONFIG_PATH}"
+    fi
+fi
+
+exec "$@"

influxdb/1.12/meta/influxdb-meta.conf

+[meta]
+  dir = "/var/lib/influxdb/meta"